MeteoritesSterling Pub., 1993 - 60 من الصفحات "A wonderful resource....Students will be drawn to read and investigate....The text is direct, interesting, and free of mind-numbing chemistry and physics formulas that so often deter YAs from further investigation....An exceptionally well-done summary."-- "SLJ . "Well-written and nicely illustrated....The technical quality of the book is very good...."-- "Science Bks & Films, a starred review . 60 pages (all in color), 8 1/4 x 7 7/8. |
من داخل الكتاب
النتائج 1-3 من 11
الصفحة 1
... pieces of asteroids , 155 pieces of the Moon , of Mars and perhaps even of comets , that fall to Earth from space . Their arrival may be heralded by a ball of light followed by sonic booms . More rarely , their impact . may be explosive ...
... pieces of asteroids , 155 pieces of the Moon , of Mars and perhaps even of comets , that fall to Earth from space . Their arrival may be heralded by a ball of light followed by sonic booms . More rarely , their impact . may be explosive ...
الصفحة 7
... pieces broken from asteroids , and travel around the Sun in the same sense as the Earth . At the same distance from the Sun as the Earth , pieces of asteroid travel faster in their orbits , otherwise they would not move further from the ...
... pieces broken from asteroids , and travel around the Sun in the same sense as the Earth . At the same distance from the Sun as the Earth , pieces of asteroid travel faster in their orbits , otherwise they would not move further from the ...
الصفحة 16
... pieces and many small ones . Most of the weight , however , is usually concentrated in the large lumps . The individuals of each shower land within an elliptical area on the Earth's surface , with the largest masses at the end furthest ...
... pieces and many small ones . Most of the weight , however , is usually concentrated in the large lumps . The individuals of each shower land within an elliptical area on the Earth's surface , with the largest masses at the end furthest ...
المحتوى
Introduction | 1 |
How do meteorites get here? | 8 |
Where do meteorites come from? | 14 |
حقوق النشر | |
3 من الأقسام الأخرى غير ظاهرة
طبعات أخرى - عرض جميع المقتطفات
عبارات ومصطلحات مألوفة
anorthosite Antarctica Apollo astroblemes atmospheric flight basaltic basaltic achondrites basaltic rock blue ice bombardment bright fireball calcium carbonaceous chondrite caused chemical elements chondrites contain chondrules cometary composed cooled core Cosmic spherules crater crystals dark decay feldspar fell formation age fragments fusion crust gravity group IIAB Halley's Comet highlands howardites igneous rocks inches indicates interplanetary dust interstellar cloud iridium iron meteorites iron-nickel metal land on Earth liquid lunar magnesium mare Mars melting mesosiderites Meteor meteorite falls meteorite impact meteorite landed meteorite shower meteoroid micrometeorites million years ago mineral grains molten Moon nebula objects observed occurred olivine orbit palladium Pallasites parent asteroid particles percent nickel planetary planets formed plutonium produced pyroxene radioactive aluminum samples silicate SNC meteorites Solar System solar wind solidified sonic booms space speed stars stone stony material stony meteorite stony minerals Stony-iron meteorite sulfide Sun and planets supernova surface temperature Widmanstätten pattern